[单项选择]As interest grows, more and more schools are investing in remote learning. Why the huge upsurge of interest in remote learning The Internet revolution is part of the answer. The Web now provides a formerly missing ingredient in distance education--quick and easy communication between students and instructors, and among classmates. In addition, demand for distance courses has increased thanks to the evolution of the information- based economy. "To stay employable, workers need to keep on learning," says Kay Kohl, executive director of the University Continuing Education Association. This trend has given rise to an older pool of graduate students: Today, more than half are over age 30, and nearly one quarter are over 40. Distance education often is a great fit for these working adults, many of whom find it difficult to skip a child’s ballet lesson or fight rush-hour traffic to get to a university campus for class.
"I had always wanted a master’s degree, but it’s hard to suspend a ca

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